OpenTechnical

OT-2026-000061404

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061404) never changes.

Identity and time

Publication numberOT-2026-000061404 · never reused
Internal UUID01a0ae8b-7b42-76ac-9c9d-15bc9381cd24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061404
StatusPUBLIC

Content hashes

Canonical text119f8f344e0017a8dbfb2d0a1b82c30917301d3eb131d128c98c9826f7f06264
Markdown534cecc5501c5d6ab5d63736255077542d7998c044f29ff37e4164a7345ff640
PDF
Publication pagec1ecb53eeb7f51c4c03887fdd4cbe0be5cc64a5ae2c7ace4c958690d60a69604
Manifestb01542baff9db5386890acc98fb29c9a82eebd83c3775cea2774e8586c734e9f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2L3aW8YGr/ethGfyGxoaVsX9hfpT84zo5jXL032SjhLIw3YDXHmfGqbftg4BW/hU9+Q6L8vcAhIVp/enMgLvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:16.100525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061404
observed c1ecb53eeb7f51c4c03887fdd4cbe0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.082192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061404/manifest.json
observed b01542baff9db5386890acc98fb29c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.064355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061404/publication.md
observed 534cecc5501c5d6ab5d6373625507754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.045880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061404/publication.txt
observed 119f8f344e0017a8dbfb2d0a1b82c309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.